Spice Jet Airlines — check in baggage loss

Address:

Coimbatore, Tamil Nadu

I am jegadeesh ramesh travelled dhaka - mumbai - coimbatore on 07/08/19 under pnr rhes7e
sg64 - dhaka - mumbai
6245 - mumbai - coimbatore

i got boarding for both flights at dhaka and spice jet employee confirmed luggage can be collected from coimbatore.

When i reached coimbatore my luggages 3 pices did not arrive and spice jet employee mr.Depan/ms.Amritha asked me lodge complaint
they also told luggage has been booked until mumbai only.
However they told my uncollected luggage will be collected from mumbai customs and it will be come to coimbatore in the next day flight (8/8/19)

i have been continuously calling to spice jet coimbatore airport
i spoke to mr.Depan/ms.Amritha/mr.Nagaraj/mr.Venkat

i have been advised to call mumbai spice jet airport office directly as they do not get correct response from mumbai team

i really need a help here

jegadeesh